AAA HELP PLEASE !! SUMMER MATH SCHOOL IS WAY TOO HARD ISTG

Answer:
Ok so they had 100 cats in total so that mean each row meaning 1 row equals 5 cats so that mean's that 2, 3 or 4 didnt work.
Step-by-step explanation:
Ok so 5 cats are in 1 row so that mean that mean there are 100 cats and in total there are 10 rows of cats so there was 5 cats on each row so the answer is 10 rows. 10 is the answer, I hope this helped!! ^^